[ALSA] hda-codec - Add virtual master controls

Add master controls using vmaster to codecs that have no real hardware
master volume registers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 69 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 6664a0688ef5..b0755407be9d 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -78,6 +78,11 @@ struct ad198x_spec {
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         struct hda_loopback_check loopback;
 #endif
+        /* for virtual master */
+        hda_nid_t vmaster_nid;
+        u32 vmaster_tlv[4];
+        const char **slave_vols;
+        const char **slave_sws;
 };
 
 /*
@@ -125,6 +130,28 @@ static int ad198x_init(struct hda_codec *codec)
         return 0;
 }
 
+static const char *ad_slave_vols[] = {
+        "Front Playback Volume",
+        "Surround Playback Volume",
+        "Center Playback Volume",
+        "LFE Playback Volume",
+        "Side Playback Volume",
+        "Headphone Playback Volume",
+        "Mono Playback Volume",
+        NULL
+};
+
+static const char *ad_slave_sws[] = {
+        "Front Playback Switch",
+        "Surround Playback Switch",
+        "Center Playback Switch",
+        "LFE Playback Switch",
+        "Side Playback Switch",
+        "Headphone Playback Switch",
+        "Mono Playback Switch",
+        NULL
+};
+
 static int ad198x_build_controls(struct hda_codec *codec)
 {
         struct ad198x_spec *spec = codec->spec;
@@ -146,6 +173,27 @@ static int ad198x_build_controls(struct hda_codec *codec)
                 if (err < 0)
                         return err;
         }
+
+        /* if we have no master control, let's create it */
+        if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
+                snd_hda_set_vmaster_tlv(codec, spec->vmaster_nid,
+                                        HDA_OUTPUT, spec->vmaster_tlv);
+                err = snd_hda_add_vmaster(codec, "Master Playback Volume",
+                                          spec->vmaster_tlv,
+                                          (spec->slave_vols ?
+                                           spec->slave_vols : ad_slave_vols));
+                if (err < 0)
+                        return err;
+        }
+        if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
+                err = snd_hda_add_vmaster(codec, "Master Playback Switch",
+                                          NULL,
+                                          (spec->slave_sws ?
+                                           spec->slave_sws : ad_slave_sws));
+                if (err < 0)
+                        return err;
+        }
+
         return 0;
 }
 
@@ -899,6 +947,7 @@ static int patch_ad1986a(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1986a_loopbacks;
 #endif
+        spec->vmaster_nid = 0x1b;
 
         codec->patch_ops = ad198x_patch_ops;
 
@@ -1141,6 +1190,7 @@ static int patch_ad1983(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1983_loopbacks;
 #endif
+        spec->vmaster_nid = 0x05;
 
         codec->patch_ops = ad198x_patch_ops;
 
@@ -1537,6 +1587,7 @@ static int patch_ad1981(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1981_loopbacks;
 #endif
+        spec->vmaster_nid = 0x05;
 
         codec->patch_ops = ad198x_patch_ops;
 
@@ -2850,6 +2901,7 @@ static int patch_ad1988(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1988_loopbacks;
 #endif
+        spec->vmaster_nid = 0x04;
 
         return 0;
 }
@@ -3016,6 +3068,19 @@ static struct hda_amp_list ad1884_loopbacks[] = {
 };
 #endif
 
+static const char *ad1884_slave_vols[] = {
+        "PCM Playback Volume",
+        "Mic Playback Volume",
+        "Mono Playback Volume",
+        "Front Mic Playback Volume",
+        "Mic Playback Volume",
+        "CD Playback Volume",
+        "Internal Mic Playback Volume",
+        "Docking Mic Playback Volume"
+        "Beep Playback Volume",
+        NULL
+};
+
 static int patch_ad1884(struct hda_codec *codec)
 {
         struct ad198x_spec *spec;
@@ -3043,6 +3108,9 @@ static int patch_ad1884(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1884_loopbacks;
 #endif
+        spec->vmaster_nid = 0x04;
+        /* we need to cover all playback volumes */
+        spec->slave_vols = ad1884_slave_vols;
 
         codec->patch_ops = ad198x_patch_ops;
 
@@ -3485,6 +3553,7 @@ static int patch_ad1882(struct hda_codec *codec)
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         spec->loopback.amplist = ad1882_loopbacks;
 #endif
+        spec->vmaster_nid = 0x04;
 
         codec->patch_ops = ad198x_patch_ops;